Blake2F

aurora_engine_precompiles::blake2

Struct Blake2F 

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pub struct Blake2F;

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impl Precompile for Blake2F

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fn run( &self, input: &[u8], target_gas: Option<EthGas>, _context: &Context, _is_static: bool, ) -> EvmPrecompileResult

The compression function of the blake2 algorithm.

Takes as an argument the state vector h, message block vector m (the last block is padded with zeros to full block size, if required), 2w-bit offset counter t, and final block indicator flag f. Local vector v[0..15] is used in processing. F returns a new state vector. The number of rounds, r, is 12 for BLAKE2b and 10 for BLAKE2s. Rounds are numbered from 0 to r - 1.

See: https://eips.ethereum.org/EIPS/eip-152 See: https://etherscan.io/address/0000000000000000000000000000000000000009

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fn required_gas(input: &[u8]) -> Result<EthGas, ExitError>

The required gas in order to run the precompile function.

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